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Finding the Fourth Proportional to 1,996,313.80, 2,994,470.70 and 733,977.40

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Solution

The fourth proportional to 1,996,313.80, 2,994,470.70 and 733,977.40 is: 1,100,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,313.80 : 2,994,470.70 = 733,977.40 : x
  2. Step 2: Convert to fraction form
    1,996,313.80/2,994,470.70 = 733,977.40/x
  3. Step 3: Cross multiply
    1,996,313.80x = 2,994,470.70 × 733,977.40
  4. Step 4: Simplify right side
    1,996,313.80x = 2,197,873,818,762.18
  5. Step 5: Solve for x
    x = 2,197,873,818,762.18/1,996,313.80
  6. Step 6: Final answer
    x = 1,100,966.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.